Home / 328,007.76-452,478.28-207,105.36

Finding the Fourth Proportional to 328,007.76, 452,478.28 and 207,105.36

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Solution

The fourth proportional to 328,007.76, 452,478.28 and 207,105.36 is: 285,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,007.76 : 452,478.28 = 207,105.36 : x
  2. Step 2: Convert to fraction form
    328,007.76/452,478.28 = 207,105.36/x
  3. Step 3: Cross multiply
    328,007.76x = 452,478.28 × 207,105.36
  4. Step 4: Simplify right side
    328,007.76x = 93,710,677,071.58
  5. Step 5: Solve for x
    x = 93,710,677,071.58/328,007.76
  6. Step 6: Final answer
    x = 285,696.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.